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Finding the Fourth Proportional to 4,895.94, 7,312.17 and 4,239.84

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Solution

The fourth proportional to 4,895.94, 7,312.17 and 4,239.84 is: 6,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895.94 : 7,312.17 = 4,239.84 : x
  2. Step 2: Convert to fraction form
    4,895.94/7,312.17 = 4,239.84/x
  3. Step 3: Cross multiply
    4,895.94x = 7,312.17 × 4,239.84
  4. Step 4: Simplify right side
    4,895.94x = 31,002,430.85
  5. Step 5: Solve for x
    x = 31,002,430.85/4,895.94
  6. Step 6: Final answer
    x = 6,332.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.